Driveline lash control method during driver tip-in/out
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United States of America Patent
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Jan 23, 2018
Grant Date -
Nov 16, 2017
app pub date -
May 16, 2016
filing date -
May 16, 2016
priority date (Note) -
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Abstract
A vehicle includes a motor positioned between an engine and a driveline connected to a vehicle wheel, and a controller. The controller controls engine torque and maintains motor torque during wheel torque and driveline component torque reversals to limit a vehicle output torque rate of change through a lash region associated with a range of driveline torque ratios. A method of controlling a hybrid vehicle includes controlling engine torque to a specified profile and maintaining motor torque at a generally constant value during at least one of wheel torque and driveline component torque reversals to limit a vehicle output torque rate of change through a lash region associated with a range of driveline torque ratios.
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